﻿<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <style>
        .bad-request {
            display: flex;
            flex-direction: column;
            height: 100vh;
            justify-content: center;
            align-items: center;
            text-align: center;
        }

        header, main {
            width: 100%;
            padding: 20px;
        }

        header {
            background-color: #f5f5f5;
        }

        main {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }
    </style>
</head>
<body>
    <div class="bad-request">
        <header>
            <h1>500 - 错误请求</h1>
        </header>
        <main>
            <p>抱歉，您的请求有误。请检查请求内容并重试。</p>
        </main>
    </div>
</body>
</html>